A little more than a year ago, a NASA flight test article came screaming back from space at more than 18,000 mph, reaching temperatures of nearly 2,700°F before gently splashing down in the Pacific Ocean. At that moment, ...
Space Exploration
Nov 20, 2023
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77
We're inching closer and closer to reliably detecting biosignatures on distant planets. Much of the focus is on determining which chemicals indicate life's presence.
Astrobiology
Nov 17, 2023
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59
Researchers from institutions including the Department of Energy's Oak Ridge National Laboratory have created a new method for statistically analyzing climate models that projects future conditions with more fidelity.
Earth Sciences
Nov 16, 2023
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74
Last year the brightest flash of light ever seen in the night sky disturbed Earth's upper atmosphere in a way that has never before detected before, researchers said on Tuesday.
Astronomy
Nov 14, 2023
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621
After seven years in space and over 4 billion miles traveled, NASA's OSIRIS-REx mission successfully collected and delivered the first U.S. sample from a near-Earth asteroid. Yet, after all this time and travel, the spacecraft ...
Space Exploration
Nov 1, 2023
0
215
A study from an international team led by researchers from Nagoya University in Japan and the University of New Hampshire in the United States has revealed the importance of the Earth's upper atmosphere in determining how ...
Planetary Sciences
Oct 30, 2023
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330
Venus, a scorching wasteland of a planet according to scientists, may have once had tectonic plate movements similar to those believed to have occurred on early Earth, a new study found. The finding sets up tantalizing scenarios ...
Astronomy
Oct 26, 2023
1
223
In searching for life in the universe, a field known as astrobiology, scientists rely on Earth as a template for biological and evolutionary processes. This includes searching for Earth analogs, rocky planets that orbit within ...
Astrobiology
Oct 19, 2023
0
15
The Space Age is leaving fingerprints on one of the most remote parts of the planet—the stratosphere—which has potential implications for climate, the ozone layer and the continued habitability of Earth.
Space Exploration
Oct 16, 2023
4
81
Earth's atmosphere contains fine particles suspended in the air, known as aerosols, occurring from natural sources, such as dust from deserts, volcanic ash, smoke from forest fires, sea salt from ocean spray and organic compounds ...
